private void StartPaintTrace()
{
TasksPanel.CreateGraphics().Clear(Color.White);
foreach (TaskUI tk in TasksPanel.Controls)
{
foreach (NetPoint np in tk.Task.Connections)
{
TaskUI link = null;
foreach (TaskUI tik in TasksPanel.Controls)
{
if (tik.Task == np)
{
link = tik;
break;
}
}
if (link == null)
{
continue;
}
Graphics g = TasksPanel.CreateGraphics();
Pen p = new Pen(Color.Black, 3);
g.DrawLine(p, tk.APoint, link.APoint);
Point center = new Point((tk.APoint.X + link.APoint.X) / 2, (tk.APoint.Y + link.APoint.Y) / 2);
AdjustableArrowCap bigArrow = new AdjustableArrowCap(5, 5);
p.CustomEndCap = bigArrow;
g.DrawLine(p, tk.APoint, center);
}
}
DrawShortPath();
}
private void DrawShortPath()
{
if (way == null)
{
return;
}
Graphics g = TasksPanel.CreateGraphics();
Pen p = new Pen(Color.Red, 5);
List <TaskUI> tk = new List <TaskUI>();
foreach (NetPoint np in way)
{
foreach (TaskUI tik in TasksPanel.Controls)
{
if (tik.Task == np)
{
tk.Add(tik);
break;
}
}
}
for (int i = 0; i < tk.Count - 1; i++)
{
g.DrawLine(p, tk[i].APoint, tk[i + 1].APoint);
Point center = new Point((tk[i].APoint.X + tk[i + 1].APoint.X) / 2, (tk[i].APoint.Y + tk[i + 1].APoint.Y) / 2);
AdjustableArrowCap bigArrow = new AdjustableArrowCap(5, 5);
p.CustomEndCap = bigArrow;
g.DrawLine(p, tk[i].APoint, center);
}
}
/// <summary>
/// Обработчик события изменения данных внутри NetPoint для дальнейшей перерисовки панели.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void RedrawTasks(object sender, EventArgs e)
{
Graphics gr = TasksPanel.CreateGraphics();
gr.Clear(Color.White);
gr.Dispose();
StartPaintTrace();
}